Walgreens Boots Alliance sank 12% Tuesday after slashing its forecast for full-year results and turning in quarterly profits that fell far short of what analysts were expecting. Competitor CVS Health gave up 2.7%.

Airlines were broadly higher after Delta raised its profit forecast for the current quarter. Delta jumped 7.1%.

Several big technology companies also rose. Facebook climbed 2.7%.

The S&P 500 index fell 1 point, or 0.1%, to 2,865.

The Dow Jones Industrial Average lost 83 points, or 0.3%, to 26,175. The Nasdaq edged up 8 points, or 0.1%, to 7,837.